TigerDirect offers the 4.6-lb. ASUS VivoBook S500 Intel Ivy Bridge Core i5 1.7GHz 15.6" Touchscreen Ultrabook
, model no. S500CA-SI50305T, for $549.99. This $50 mail-in rebate
cuts it to $499.99. With around $8
for shipping, that's the lowest total price we could find by $38, although we saw it for $9 less last month. It features an Intel Core i5-3317U 1.7GHz Ivy Bridge dual-core processor, 15.6" 1366x768 LED-backlit multi-touch LCD, 6GB RAM, 500GB hard drive and 24GB SSD, 802.11n wireless, Bluetooth 4.0, webcam, 44 whrs battery, and Windows 8 64-bit. (It doesn't have an optical drive.) Rebate expires November 30.
Checking out via V.me by Visa knocks it further to $479.99